还原

This paper in-depth analyses and restructures the reduction structure and logic of scientific theory.

本文所阐明的科学理论的还原结构与还原逻辑的理论，曾由作者首先发表于论文《论科学理论的还原——兼评 L。

The indirect reduction rate of coal-bearing converter dust pellets is 20～35%, which is 10% higher than that of concentrate pellets. This also verifys the parameter in calculations.

5尘泥含碳球团还原过程中间接还原率高，达到20～35％，比一般精矿含碳球团高出10％以上，同时也验证了模型计算中取间接还原率30％左右是正确的。

Furthermore, during the above synthetic studies, we also found sodium amalgam was a useful agent for reducing azide to amine, which was applicable for various alkyl and aryl azides bearing different functional groups.

另外，我们还对实验中意外发现的钠汞齐还原叠氮的反应进行了研究，考察了考察了带有不同官能团的叠氮化合物在此体系下的还原反应，取得了较好的结果，发展了一种新的还原叠氮的方法。

The invention relates to a method for adopting a compound reducing agent to reduce and decompose phosphogypsum; the method comprises the following steps of: using high-sulphur coal and coal gangue to prepare the compound reducing agent; utilizing tail gas to dry the phosphogypsum and the compound reducing agent which are ground and mixed evenly and then transferred into a reducing and decomposing furnace; carrying out reduction and decomposition till the reaction is completed.

本发明涉及一种采用复合还原剂还原分解磷石膏的方法，该方法将高硫煤和煤矸石配成复合还原剂，再将磷石膏、复合还原剂利用尾气烘干、磨细后混匀送入还原分解炉，进行还原分解，直至反应完全。

In the experiment of fluid bed, when the iron ore has been reduced for 120 minutes with the use of CO·CO〓·H〓 mixture containing 20%CO〓 at the temperature of 700℃, the reductivity and metallization can both exceed 90%, and the rate of iron carbide exceeds 73%.

流化床实验中，在温度700℃用含CO〓为20％的CO·CO〓·H〓混合气体还原铁矿石120分钟可获得还原度和金属化率大于90％的还原产品，碳化铁率超过73％。

The aggregation interaction between reduced-denatured egg white lysozymes during refolding procedure in urea solution was studied by means of reducing and non-reducing protein electrophoreses.

通过还原和非还原蛋白电泳，研究了还原变性蛋白溶菌酶在脲溶液中重折叠过程的集聚相互作用。

The high temperature metallurgical properties of several burdens for Anyang steel were investigated. The results showed that RIof high basicity sinters was better than others, but the RDI(low temperature reduction degradation index) of it was the highest; the RDI and molten dripping property of pellets and lump ores were well, so we can get rational burden structure by combining sinters for blast furnace.

系统分析了安钢炼铁生产中几种常用炉料的高温冶金性能，结果表明，安钢自产高碱度烧结矿具有较好的还原性，但其低温还原粉化率却是最高的；酸性球团矿及块矿则有着较好的低温还原粉化指数及良好的熔滴性能，能够与高碱度烧结矿搭配形成合理的综合炉料结构，满足高炉冶炼要求。

To acquire iron, many plants reduce Fe to Fe in soil by ferric-chelate reductases, which is an obligatory process for the iron acquisition.

为了获取铁元素，许多植物都将三价铁还原为二价铁后再吸收，由三价铁还原酶参与的还原过程是植物从土壤中获取铁的限速过程。

He analysis of the category and function of TCB stress inducible proteins showed that different groups of proteins were induced by 5 mg L^(-1) TCB stress. They are detoxification enzymes (including esterase, aldo/keto reductases, and glutathione S-transferase), cell wall compound metabolism related enzymes (including UDP-glucose protein transglucosylase and GDP-mannose 3,5-epimerase 1), phytohormone metabolism and regulation related enzymes or proteins (including aci-reductone dioxygenase 4, beta-glucosidase, two members of pathogenesis-related proteins from family 10), primary and secondary metabolism regulative enzymes (including translational elongation factor Tu, cytosolic orthophosphate dikinase, triosephosphate isomerases, alanine aminotransferase, and isoflavone reductase).

CB胁迫能诱导根系内不同类型蛋白质的表达，它们是：解毒酶（包括脂酶、醛／酮还原酶、谷胱甘肽－硫转移酶），细胞壁物质代谢相关酶（包括蛋白转葡萄糖基酶、GDP-甘露糖－3，5-异构酶1），激素代谢或调节相关酶（包括酸式－还原酮二加氧酶、β-葡萄糖苷酶、病程相关蛋白家族10中的2个不同蛋白），原初或次生代谢相关酶（包括转录延长因子、细胞质磷酸丙酮酸双激酶、磷酸丙糖异构酶、丙氨酸氨基转移酶和异黄酮还原酶）。

In order to reveal the nature of reducibility of organic compounds and find theoretical basis for the selection of organic reductants, the electronic structure of studied organic reductants and related organic compounds has been calculated by means of HMO method、CNDO/2 method in quantum chemistry. It was discovered that the energy of the highest occupied molecular orbital of organic compounds has best correlation with their reducibility, and theoretical criterion for reducibility of organic compounds was presented.

为了揭示有机化合物还原性的本质，为有机还原剂的寻找提供理论依据，应用量子化学HMO法、CNDO/2法计算分析了研究的有机还原剂及相关有机化合物的电子结构特性，发现有机化合物的最高占据分子轨道HOMO能量与其还原性之间具有最好的相关性，据此提出了有机化合物还原性的理论判据。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。